Patents by Inventor Ryan Gilliam

Ryan Gilliam has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Methods and systems for utilizing calcium compound from calcined limestone
    Patent number: 11939227
    Abstract: Provided herein are methods comprising a) calcining limestone in a cement plant to form carbon dioxide and calcium compound selected from calcium oxide, calcium hydroxide, or combination thereof; b) treating the calcium compound with N-containing salt in water to produce an aqueous solution comprising calcium salt and N-containing salt; and c) contacting the aqueous solution with the carbon dioxide under one or more precipitation conditions to produce a precipitation material comprising calcium carbonate and a supernatant aqueous solution wherein the calcium carbonate comprises vaterite.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: March 26, 2024
    Assignee: Arelac, Inc.
    Inventors: Michael Joseph Weiss, Ryan Gilliam
  • METHODS AND SYSTEMS FOR UTILIZING CALCIUM COMPOUND FROM CALCINED LIMESTONE
    Publication number: 20210017035
    Abstract: Provided herein are methods comprising a) calcining limestone in a cement plant to form carbon dioxide and calcium compound selected from calcium oxide, calcium hydroxide, or combination thereof; b) treating the calcium compound with N-containing salt in water to produce an aqueous solution comprising calcium salt and N-containing salt; and c) contacting the aqueous solution with the carbon dioxide under one or more precipitation conditions to produce a precipitation material comprising calcium carbonate and a supernatant aqueous solution wherein the calcium carbonate comprises vaterite.
    Type: Application
    Filed: July 20, 2020
    Publication date: January 21, 2021
    Inventors: Michael Joseph Weiss, Ryan Gilliam